1.57% is the change from 510 to 518
Calculation steps:
[( 518 - 510 ) ÷ 510] x 100 = 1.57%
Formula
Percentage change = [(518 - 510) / 510] x 100
Subtract the new number by the original number
518 - 510 = 8
8 ÷ 510 = 0.01568627450980392
0.01568627450980392 x 100 = 1.57%